/**
 * @author akaovi
 * @version 1.0
 * @description
 * @date 2022/11/21 18:39
 * @since 2022/11/21 18:39
 */
public class test {
    public static void main(String[] args) {
        System.out.println((0 + 12 -1) % 12);
    }
}
